US PATENT SUBCLASS 135 / 154
.~.~.~.~.~ Single pivot

Current as of: June, 1999
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135 /   HD   TENT, CANOPY, UMBRELLA, OR CANE

87  DF  PORTABLE SHELTER (I.E., TENT OR CANOPY) {18}
121  DF  .~ Framework {9}
143  DF  .~.~ Foldable {4}
151  DF  .~.~.~ Having supporting member with pivot means therein {3}
153  DF  .~.~.~.~ Member swings to supporting position {1}
154.~.~.~.~.~ Single pivot

DEFINITION

Classification: 135/154

Single pivot:

(under subclass 153) Foldable framework in which an upwardly extending support member is folded by swinging the member about one joint or hinge means.